module SmppClient

  module Pdu

    # Numbric Plan Indicator (NPI).

    module Npi

      UNKNOWN = 0b00000000

      ISDN = 0b00000001

      DATA = 0b00000011

      TELEX = 0b00000100

      LAND_MOBILE = 0b00000110

      NATIONAL = 0b00001000

      PRIVATE = 0b00001001

      ERMES = 0b00001010

      INTERNET = 0b00001110

      WAP_CLIENT_ID = 0b00010010

    end

  end
end